CMS1-3-R Filters

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Common Mode Chokes are used to reduce electromagnetic interference (EMI). They are also known as common mode noise filters and feature high impedance for common mode currents. The ability to filter this common mode noise makes the choke an important component for power line EMI cures. The CMS1-3-R is a series of common mode chokes designed to suppress EMI on transmission systems related to power distribution.

The CMS1-3-R series is designed to filter top and bottom line common mode noise from 1 KHz to 30 MHz. This makes the chokes suitable for applications with high frequency components. They feature reliable performance with balanced or unbalanced lines. Furthermore, the component is rated for a wide operating temperature range and is able to withstand harsh environmental conditions.

In terms of application fields, the CMS1-3-R series chokes can be used in a variety of power supply systems, motor controls and DC/DC converter systems that utilize power lines. This series is also suitable for monitoring and communication systems, inductive coupling and AC/DC noise suppression applications. Other application fields include factory automation systems, switching mode power supplies, process control systems, and data transmission.

The working principle of the CMS1-3-R series is based on electrical induction. This principle requires the presence of a magnetic field that is present in the electrical impulse, or when electricity is transferred through a conductor. This magnetic field is understood to be a reaction to the flow of current. By applying the concepts of electrical induction, common mode currents can be reduced significantly.

The magnetic core within the choke acts as a barrier, impeding the flow of current. This reduces the magnitude of the induced current and subsequently limits the level of common mode noise that is transmitted. The choke also features a shielding effect, preventing common mode noise from passing through connected circuits. The external shield also reduces radiated emissions.

Protection against transients is offered by the internal components of the CMS1-3-R series chokes. The components limit the voltage levels and provide the necessary insulation between inputs and outputs. This ensures the safety of the connected systems and helps reduce the risk of damage caused by EMI.

In summary, the CMS1-3-R series of common mode chokes is designed to suppress EMI from transmission systems related to power distribution. It is suitable for a wide range of application fields and features a reliable performance. Its working principle relies on electrical induction and the magnetic core of the choke acts as a barrier, reducing the level of common mode noise that is transmitted. The component also offers protection against transients.

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